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64 lines
2.2 KiB
C++
64 lines
2.2 KiB
C++
#ifndef COMPONENTS_TERRAIN_TERRAINBATCH_H
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#define COMPONENTS_TERRAIN_TERRAINBATCH_H
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#include <OgreRenderable.h>
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#include <OgreMovableObject.h>
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namespace Terrain
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{
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class QuadTreeNode;
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/**
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* @brief Renders a chunk of terrain, either using alpha splatting or a composite map.
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*/
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class Chunk : public Ogre::Renderable, public Ogre::MovableObject
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{
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public:
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/// @param lodLevel LOD level for the vertex buffer.
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Chunk (QuadTreeNode* node, short lodLevel);
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virtual ~Chunk();
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void setMaterial (const Ogre::MaterialPtr& material);
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/// Set additional LOD applied on top of vertex LOD. \n
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/// This is achieved by changing the index buffer to omit vertices.
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void setAdditionalLod (size_t lod) { mAdditionalLod = lod; }
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size_t getAdditionalLod() { return mAdditionalLod; }
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void updateIndexBuffer();
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// Inherited from MovableObject
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virtual const Ogre::String& getMovableType(void) const { static Ogre::String t = "MW_TERRAIN"; return t; }
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virtual const Ogre::AxisAlignedBox& getBoundingBox(void) const;
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virtual Ogre::Real getBoundingRadius(void) const;
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virtual void _updateRenderQueue(Ogre::RenderQueue* queue);
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virtual void visitRenderables(Renderable::Visitor* visitor,
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bool debugRenderables = false);
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// Inherited from Renderable
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virtual const Ogre::MaterialPtr& getMaterial(void) const;
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virtual void getRenderOperation(Ogre::RenderOperation& op);
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virtual void getWorldTransforms(Ogre::Matrix4* xform) const;
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virtual Ogre::Real getSquaredViewDepth(const Ogre::Camera* cam) const;
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virtual const Ogre::LightList& getLights(void) const;
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private:
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QuadTreeNode* mNode;
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Ogre::MaterialPtr mMaterial;
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size_t mVertexLod;
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size_t mAdditionalLod;
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Ogre::VertexData* mVertexData;
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Ogre::IndexData* mIndexData;
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Ogre::HardwareVertexBufferSharedPtr mVertexBuffer;
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Ogre::HardwareVertexBufferSharedPtr mNormalBuffer;
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Ogre::HardwareVertexBufferSharedPtr mColourBuffer;
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Ogre::HardwareIndexBufferSharedPtr mIndexBuffer;
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};
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}
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#endif
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